Sequence Alignment MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Sequence Alignment, a fundamental topic in the field of Bioinformatics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Sequence Alignment MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Sequence Alignment mcq questions that explore various aspects of Sequence Alignment problems. Each MCQ is crafted to challenge your understanding of Sequence Alignment principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Bioinformatics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Sequence Alignment MCQs are your pathway to success in mastering this essential Bioinformatics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Sequence Alignment. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Sequence Alignment knowledge to the test? Let's get started with our carefully curated MCQs!

Sequence Alignment MCQs | Page 2 of 15

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Q11.
While scanning for similarities in motifs, how regular expressions’ techniques work?

a.

It represents a sequence family by a string of characters and further compares them

b.

An algorithm similar to dynamic programming is used

c.

Dot matrix analysis is used in this type of sequence analysis

d.

Matrix analysis methods are used in this type

Discuss
Answer: (a).It represents a sequence family by a string of characters and further compares them
Q12.
Which of the following best defines regular expressions?

a.

They are made up of terms, operators and modifiers

b.

They describe string or set of strings to find matching patterns

c.

They are strictly restricted to alignment and corresponding score

d.

They consist of set of rules for the connotations of various amino acid residues

Discuss
Answer: (b).They describe string or set of strings to find matching patterns
Q13.
In regular expressions, which of the following pair of pattern is wrongly matched with its significance?

a.

[ ] – Or

b.

{ } – Not

c.

( ) – Repeats

d.

Z – Any

Discuss
Answer: (d).Z – Any
Q14.
In terminologies related to regular expressions which of the following is false about terms and operators?

a.

Terms are strings or substrings

b.

Operators combine terms and expressions

c.

Operators do not have precedence

d.

Operators have precedence like arithmetic operators

Discuss
Answer: (c).Operators do not have precedence
Q15.
In regular expressions, which of the following pair of pattern is wrongly matched with its significance?

a.

‘-’ – separator

b.

< – N-terminal

c.

> – C-terminal

d.

‘>>’ – end

Discuss
Answer: (d).‘>>’ – end
Q16.
Emotif uses which databases for alignment of sequences?

a.

BLOCKS and PRINTS databases

b.

PROSITE

c.

BLOCKS

d.

PRINTS

Discuss
Answer: (a).BLOCKS and PRINTS databases
Q17.
While analysing motif sequences, what is the major disadvantageous feature of PROSITE?

a.

The database constructs profiles to complement some of the sequence patterns

b.

The functional information of these patterns is primarily based on published literature

c.

Some of the sequence patterns are too short to be specific

d.

Lack of specificity about probability and variation and relation between them

Discuss
Answer: (c).Some of the sequence patterns are too short to be specific
Q18.
Which of the following is not a characteristic of Fuzzy or approximate matches in regular expression?

a.

This method is able to include more variant forms of a motif with a conserved function

b.

the rule of matching is based on observations, not actual assumptions

c.

with the more relaxed matching, there is increase of the noise level and false positives

d.

the rule of matching is based on assumptions not actual observations

Discuss
Answer: (b).the rule of matching is based on observations, not actual assumptions
Q19.
Which of the following is not a characteristic of exact matches in regular expression?

a.

There must be a strict match of sequence patterns

b.

Any variations in the query sequence from the predefined patterns are not allowed

c.

Provide more permissive matching by allowing more flexible matching of residues of similar biochemical properties

d.

Searching a motif database using this approach results in either a match or non-match

Discuss
Answer: (c).Provide more permissive matching by allowing more flexible matching of residues of similar biochemical properties
Q20.
What does this representation mean- R.L.[EQD]?

a.

An arginine- Amino acid- Leucine- Amino acid- Either Apartic acid, glutamic acid or glutamine

b.

An arginine- Leucine- Either Apartic acid, glutamic acid or glutamine

c.

An arginine- Leucine- Amino acid- Either Apartic acid, glutamic acid or glutamine

d.

An arginine- Leucine- Apartic acid and glutamic acid and glutamine

Discuss
Answer: (a).An arginine- Amino acid- Leucine- Amino acid- Either Apartic acid, glutamic acid or glutamine
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